Turning The Power On And Off - evertz 7800 Manual

The 7800FR- 48VDC frame comes standard with one auto-ranging power supply that automatically
senses the input voltage over the range of 36 to 60 VDC. An additional power supply (7800PS-48VDC)
can be ordered to provide fully redundant powering of the frame. When only one power supply is fitted,
the frame will be fitted with a 7700PS-48VDC-FM fan module to ensure the thermal integrity of the frame
cooling. Power should be applied by connecting a 2 conductor twisted pair shielded power supply cord to
the screw terminals on the rear panel of each power supply.
AWG wire size; maximum 2.5 m in length.
The frame rear panel is fitted with a three terminal wiring block, and a 5 x 20 mm fuse holder for each
power supply.
CAUTION - TO REDUCE THE RISK OF ELECTRIC SHOCK, GROUNDING OF THE
GROUND PIN DC INPUT TERMINAL STRIP MUST BE MAINTAINED
Fuse Rating: 12 amps, 250 Volt ceramic time delay
See section 5.1 for information on changing the fuses.
If there is a fuse failure, contact Evertz customer service regarding the power
supply immediately. The power supplies are short circuit protected and should
not blow the fuse under a short circuit condition.
1.6.3. Connecting the Power - ACDC Powered Frames
The 7800FR-ACDC frame comes standard with one auto-ranging power supply that automatically senses
the input voltage over the range of 100 to 240 VAC and one auto-ranging DC power supply that
automatically senses the input voltage over the range of 36 to 60 VDC. Follow the instructions for AC or
DC powered frames for information on connecting the appropriate power.

1.6.4. Turning the Power On and Off

Each power supply is fitted with its own power switch. When the switch is turned off, the remaining power
supply will power the 7800FR frame. To completely remove power from the frame, both power supplies
must be turned off.
The power cord should be minimum 18
Revision 1.3
7800 MultiFrame Manual
7800FR 3 Rack Unit Frame
7800FR - 7